Examples with ConstraintDefinition org.neo4j.graphdb.schema.ConstraintDefinition used on opensource projects

Example 36 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method constraintNamesInTransactionStateMustBeUniqueEvenWhenGenerated.

@Test
void constraintNamesInTransactionStateMustBeUniqueEvenWhenGenerated() {
    try (Transaction tx = db.beginTx()) {
        ConstraintDefinition constraint = tx.schema().constraintFor(label).assertPropertyIsUnique(propertyKey).create();
        ConstraintCreator creator = tx.schema().constraintFor(otherLabel).assertPropertyIsUnique(secondPropertyKey).withName(constraint.getName());
        ConstraintViolationException exception = assertThrows(ConstraintViolationException.class, creator::create);
        assertThat(exception).hasMessageContaining(thereAlreadyExistsConstraintMessage(constraint.getName()));
        tx.commit();
    }
}

Example 37 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method constraintNamesCanContainBackTicks.

@Test
void constraintNamesCanContainBackTicks() {
    try (Transaction tx = db.beginTx()) {
        ConstraintCreator creator = tx.schema().constraintFor(label).withName("`a`b``").assertPropertyIsUnique(propertyKey);
        creator.create();
        tx.commit();
    }
    try (Transaction tx = db.beginTx()) {
        final Iterable<IndexDefinition> indexes = tx.schema().getIndexes();
        assertThat(count(indexes)).isEqualTo(1L);
        assertEquals("`a`b``", indexes.iterator().next().getName());
        final Iterable<ConstraintDefinition> constraints = tx.schema().getConstraints();
        assertThat(count(constraints)).isEqualTo(1L);
        assertEquals("`a`b``", constraints.iterator().next().getName());
        tx.commit();
    }
}

Example 38 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method shouldDropUniquenessConstraint.

@Test
void shouldDropUniquenessConstraint() {
    // GIVEN
    ConstraintDefinition constraint = createUniquenessConstraint(label, propertyKey);
    // WHEN
    dropConstraint(db, constraint);
    // THEN
    try (Transaction tx = db.beginTx()) {
        assertThat(getConstraints(tx, label)).isEmpty();
    }
}

Example 39 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method shouldCreateNamedUniquenessConstraint.

@Test
void shouldCreateNamedUniquenessConstraint() {
    // When
    ConstraintDefinition constraint = createUniquenessConstraint("MyConstraint", label, propertyKey);
    // Then
    try (Transaction tx = db.beginTx()) {
        constraint = tx.schema().getConstraintByName(constraint.getName());
        assertEquals(ConstraintType.UNIQUENESS, constraint.getConstraintType());
        assertEquals(label.name(), constraint.getLabel().name());
        assertEquals(asSet(propertyKey), Iterables.asSet(constraint.getPropertyKeys()));
        assertEquals("MyConstraint", constraint.getName());
        tx.commit();
    }
}

Example 40 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method constraintNamesInTransactionStateMustBeUniqueEvenWhenGenerated2.

@Test
void constraintNamesInTransactionStateMustBeUniqueEvenWhenGenerated2() {
    try (Transaction tx = db.beginTx()) {
        ConstraintDefinition constraint = tx.schema().constraintFor(otherLabel).assertPropertyIsUnique(secondPropertyKey).withName("constraint_c8a3b28f").create();
        ConstraintCreator creator = tx.schema().constraintFor(label).assertPropertyIsUnique(propertyKey);
        ConstraintViolationException exception = assertThrows(ConstraintViolationException.class, creator::create);
        assertThat(exception).hasMessageContaining(thereAlreadyExistsConstraintMessage(constraint.getName()));
        tx.commit();
    }
}